Submission #957431

# Submission time Handle Problem Language Result Execution time Memory
957431 2024-04-03T17:01:59 Z Haidara314 Race (IOI11_race) C++17
100 / 100
351 ms 79348 KB
#include <bits/stdc++.h>
#include "race.h"
using namespace std;
const int mx = 2e5+1;
#define F first
#define S second
vector<vector<pair<int,int>>> adj(mx);
map<int,int> arr[mx];
int ans=1e9;
void dfs(int node, int par, int dep, int depth, int k){
	for(auto x: adj[node])if(x.F != par){
		dfs(x.F, node, dep+1, depth + x.S, k);
		if(arr[x.F].size() > arr[node].size()) swap(arr[node], arr[x.F]);
		for(auto thing: arr[x.F])if(arr[node].count(k + 2 * depth - thing.F)) ans  = min(ans, arr[node][k+2*depth-thing.F]+thing.S - 2*dep);
		for(auto thing: arr[x.F]){
			if(arr[node].count(thing.F)) arr[node][thing.F] = min(arr[node][thing.F], thing.S);
			else arr[node][thing.F] = thing.S;
		}
	}
	if(arr[node].count(k + depth)) ans = min(ans, arr[node][k+depth] - dep);
	arr[node][depth] = dep;
}
 
int best_path(int n, int k, int h[][2], int l[]){
	for(int i=0; i<n-1; i++){
		adj[h[i][0]].push_back({h[i][1], l[i]}); 
		adj[h[i][1]].push_back({h[i][0], l[i]});
	}
	dfs(0,0,0,0,k);
	return (ans == 1e9 ? -1 : ans);
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 5 ms 18012 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 4 ms 18012 KB Output is correct
9 Correct 4 ms 18012 KB Output is correct
10 Correct 5 ms 18144 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 5 ms 18012 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 5 ms 18008 KB Output is correct
15 Correct 4 ms 18012 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 5 ms 18012 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 4 ms 18012 KB Output is correct
9 Correct 4 ms 18012 KB Output is correct
10 Correct 5 ms 18144 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 5 ms 18012 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 5 ms 18008 KB Output is correct
15 Correct 4 ms 18012 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 5 ms 18012 KB Output is correct
20 Correct 4 ms 17972 KB Output is correct
21 Correct 7 ms 18264 KB Output is correct
22 Correct 6 ms 18268 KB Output is correct
23 Correct 5 ms 18264 KB Output is correct
24 Correct 6 ms 18212 KB Output is correct
25 Correct 6 ms 18268 KB Output is correct
26 Correct 5 ms 18204 KB Output is correct
27 Correct 6 ms 18264 KB Output is correct
28 Correct 6 ms 18192 KB Output is correct
29 Correct 5 ms 18268 KB Output is correct
30 Correct 5 ms 18268 KB Output is correct
31 Correct 5 ms 18188 KB Output is correct
32 Correct 5 ms 18268 KB Output is correct
33 Correct 6 ms 18268 KB Output is correct
34 Correct 4 ms 18268 KB Output is correct
35 Correct 5 ms 18268 KB Output is correct
36 Correct 5 ms 18268 KB Output is correct
37 Correct 6 ms 18268 KB Output is correct
38 Correct 5 ms 18268 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 5 ms 18012 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 4 ms 18012 KB Output is correct
9 Correct 4 ms 18012 KB Output is correct
10 Correct 5 ms 18144 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 5 ms 18012 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 5 ms 18008 KB Output is correct
15 Correct 4 ms 18012 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 81 ms 32336 KB Output is correct
20 Correct 88 ms 33672 KB Output is correct
21 Correct 94 ms 33104 KB Output is correct
22 Correct 94 ms 33872 KB Output is correct
23 Correct 116 ms 43600 KB Output is correct
24 Correct 94 ms 38336 KB Output is correct
25 Correct 55 ms 33360 KB Output is correct
26 Correct 43 ms 39764 KB Output is correct
27 Correct 135 ms 39144 KB Output is correct
28 Correct 159 ms 68832 KB Output is correct
29 Correct 181 ms 67652 KB Output is correct
30 Correct 136 ms 39708 KB Output is correct
31 Correct 135 ms 39696 KB Output is correct
32 Correct 174 ms 39728 KB Output is correct
33 Correct 156 ms 38480 KB Output is correct
34 Correct 259 ms 62800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 5 ms 18012 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 4 ms 18012 KB Output is correct
9 Correct 4 ms 18012 KB Output is correct
10 Correct 5 ms 18144 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 5 ms 18012 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 5 ms 18008 KB Output is correct
15 Correct 4 ms 18012 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 5 ms 18012 KB Output is correct
20 Correct 4 ms 17972 KB Output is correct
21 Correct 7 ms 18264 KB Output is correct
22 Correct 6 ms 18268 KB Output is correct
23 Correct 5 ms 18264 KB Output is correct
24 Correct 6 ms 18212 KB Output is correct
25 Correct 6 ms 18268 KB Output is correct
26 Correct 5 ms 18204 KB Output is correct
27 Correct 6 ms 18264 KB Output is correct
28 Correct 6 ms 18192 KB Output is correct
29 Correct 5 ms 18268 KB Output is correct
30 Correct 5 ms 18268 KB Output is correct
31 Correct 5 ms 18188 KB Output is correct
32 Correct 5 ms 18268 KB Output is correct
33 Correct 6 ms 18268 KB Output is correct
34 Correct 4 ms 18268 KB Output is correct
35 Correct 5 ms 18268 KB Output is correct
36 Correct 5 ms 18268 KB Output is correct
37 Correct 6 ms 18268 KB Output is correct
38 Correct 5 ms 18268 KB Output is correct
39 Correct 81 ms 32336 KB Output is correct
40 Correct 88 ms 33672 KB Output is correct
41 Correct 94 ms 33104 KB Output is correct
42 Correct 94 ms 33872 KB Output is correct
43 Correct 116 ms 43600 KB Output is correct
44 Correct 94 ms 38336 KB Output is correct
45 Correct 55 ms 33360 KB Output is correct
46 Correct 43 ms 39764 KB Output is correct
47 Correct 135 ms 39144 KB Output is correct
48 Correct 159 ms 68832 KB Output is correct
49 Correct 181 ms 67652 KB Output is correct
50 Correct 136 ms 39708 KB Output is correct
51 Correct 135 ms 39696 KB Output is correct
52 Correct 174 ms 39728 KB Output is correct
53 Correct 156 ms 38480 KB Output is correct
54 Correct 259 ms 62800 KB Output is correct
55 Correct 15 ms 20316 KB Output is correct
56 Correct 11 ms 19036 KB Output is correct
57 Correct 51 ms 31524 KB Output is correct
58 Correct 44 ms 29844 KB Output is correct
59 Correct 64 ms 44696 KB Output is correct
60 Correct 160 ms 67920 KB Output is correct
61 Correct 176 ms 41456 KB Output is correct
62 Correct 149 ms 39528 KB Output is correct
63 Correct 166 ms 39504 KB Output is correct
64 Correct 351 ms 77620 KB Output is correct
65 Correct 328 ms 79348 KB Output is correct
66 Correct 178 ms 62012 KB Output is correct
67 Correct 125 ms 40816 KB Output is correct
68 Correct 279 ms 53796 KB Output is correct
69 Correct 294 ms 55572 KB Output is correct
70 Correct 242 ms 52996 KB Output is correct